
#include "stdafx.h"
#include <iostream>
//#include <windows.h>
using namespace std;
void change();
void add();
void show();

int _tmain(int argc, _TCHAR* argv[])
{
	cout<<"hi,all"<<endl;
	change();
   add();
   show();
	system("pause");
	return 0;
}
void change(void)
{
	cout<<"it is version 4"<<endl;
   cout<<"ok,l's go 2"<<endl;
}
void add()
{
	cout<<"add ..v5"<<endl;
}
void show()
{
  cout<<"i show"<<endl;
  }